Portable support seat



FIG. 1 is a frontal (or rear) elevational view of the novel portable support seat;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a perspective view of the novel seat thereof. 

The ornamental design for a portable support seat, as shown and described. 